Q.

Two thin dielectric slabs of dielectric constants K1 and K2 (K1<K2) are inserted between plates of a parallel plate capacitor, as shown in the figure. The variation of electric field 'E' between the plates with distance 'd' as measured from plate P is correctly shown by:

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a

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b

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c

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d

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answer is C.

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Detailed Solution

 Electric field, E1 K  As K1<K2 so E1>E2

Hence graph 

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correctly depicts the variation of electric field E with distance d.

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Two thin dielectric slabs of dielectric constants K1 and K2 (K1<K2) are inserted between plates of a parallel plate capacitor, as shown in the figure. The variation of electric field 'E' between the plates with distance 'd' as measured from plate P is correctly shown by: